FFB571TYPEA4: NUT,PLAIN,CASTELLATED,HEXAGON.
The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.275 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-042-7132, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| nut_style | CASTELLATED, HEXAGON |
| nut_height | 0.275 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| bearing_surface_type | WASHER FACED |
| thread_quantity_per_inch | 20 |
| nondefinitive_spec/std_data | A4 TYPE |
| NSN | 5310-00-042-7132 |
| WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| NONDEFINITIVE SPEC/STD DATA | A TYPE |
| NUT HEIGHT | 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| NUT STYLE | CASTELLATED, HEXAGON |
| THREAD CLASS | 2B |
| THREAD QUANTITY PER INCH | 20 |